1402563 has 8 divisors (see below), whose sum is σ = 1951488. Its totient is φ = 894344.

The previous prime is 1402547. The next prime is 1402567. The reversal of 1402563 is 3652041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402563 - 2⁴ = 1402547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10095 + ... + 10232.

It is an arithmetic number, because the mean of its divisors is an integer number (243936).

2^1402563 is an apocalyptic number.

1402563 is a deficient number, since it is larger than the sum of its proper divisors (548925).

1402563 is a wasteful number, since it uses less digits than its factorization.

1402563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20353.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1402563 is about 1184.2985265549. The cubic root of 1402563 is about 111.9371192525.

The spelling of 1402563 in words is "one million, four hundred two thousand, five hundred sixty-three".